CSS Zoology Past Paper 2023

Instructions specific to this paper

• Attempt ONLY FOUR questions from PART-II. ALL questions carry EQUAL marks.

Part-II questions

1. Q. 220 marks

   Dengue over the years has expanded significantly. Give a comprehensive management plan to reduce the disease burden.

2. Q. 320 marks

   Migration is one of the most widespread characters of some of the chordates. Discuss.

3. Q. 420 marks

   Cell to organism. How does this natural phenomena happen?

4. Q. 520 marks

   What are enzymes and coenzymes? Discuss their role in life of the organism and the activities that are dependent upon them.

5. Q. 620 marks

   Biogeochemical cycles are dependent on natural elemental sources for improving sustainability of ecosystems. How do these ecological drivers work and what is their impact on the environment?

6. Q. 720 marks

   Integument pays a vital role in the survival of individuals. How would you compare the integument of invertebrates and which according to your opinion is the most diversified one and why?

7. Q. 820 marks

   Make a comparison of feeding and digestion process in carnivores and Herbivores.

Source & accuracy

Source:

The question paper is issued by the Federal Public Service Commission (FPSC) for the CSS competitive examination. The paper itself is unaltered; the PDF here has an EduReach Academy cover page added.

How this text was produced:

Question text is extracted automatically from the PDF and is not a re-typed transcript. Part-I (the MCQ block answered on the OMR sheet) is not reproduced; what appears here is the Part-II descriptive paper. Where a paper is image-only or its text layer does not preserve reading order, no text is shown and the original PDF is offered instead.

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Standard FPSC instructions

Printed on this and every CSS paper.

• Part-II is to be attempted on the separate Answer Book.
• All the parts (if any) of each question must be attempted at one place instead of at different places.
• Write Q. No. in the Answer Book in accordance with Q. No. in the question paper.
• No page/space be left blank between the answers. All the blank pages of the Answer Book must be crossed.
• Extra attempt of any question or any part of the attempted question will not be considered.